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About this course
The Science course is designed to spark curiosity and build a strong understanding of the world around us. Covering key concepts from Physics, Chemistry, and Biology, the course simplifies complex ideas through clear explanations, interactive lessons, and real-life examples.
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Science Lecture
Motion is the change in position of an object with respect to time. It can be described in terms of distance, displacement, speed, velocity, and acceleration.
Distance is the total path covered, while displacement is the shortest path between two points.
Speed tells how fast an object is moving, whereas velocity tells both speed and direction.
Acceleration is the rate of change of velocity.
Motion can be uniform (equal distances in equal time) or non-uniform (unequal distances in equal time).
Graphs like distance-time and velocity-time graphs are used to study motion.
The laws and equations of motion help to calculate speed, velocity, displacement, and time in various real-life situations.
The chapter Motion introduces students to the concept of how objects move and how their movement can be measured and described. It explains different types of motion such as rectilinear, circular, and periodic motion. The chapter highlights the difference between distance and displacement, and speed and velocity, helping us understand how movement is measured in real life. It further explains acceleration as the change in velocity over time and shows how motion can be represented using graphs. The three equations of motion are introduced, which are used to calculate speed, velocity, displacement, and time. Lastly, the concept of uniform circular motion is discussed, explaining how even when speed is constant, the motion is still accelerated due to the continuous change in direction.
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